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    <title>Multi-series Timeline - Group rows &amp; custom tooltip</title>

    <link href="../../assets/styles.css" rel="stylesheet" />

    <style>
      
        #chart {
      max-width: 650px;
      margin: 35px auto;
    }
      
    </style>

    <script>
      window.Promise ||
        document.write(
          '<script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"><\/script>'
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    <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.min.js"></script>
    <script src="../../../dist/apexcharts.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/vue-apexcharts"></script>
    

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  <body>
    
    <div id="app">
      <div id="chart">
      <apexchart type="rangeBar" height="350" :options="chartOptions" :series="series"></apexchart>
    </div>
    </div>

    <!-- Below element is just for displaying source code. it is not required. DO NOT USE -->
    <div id="html">
      &lt;div id=&quot;chart&quot;&gt;
        &lt;apexchart type=&quot;rangeBar&quot; height=&quot;350&quot; :options=&quot;chartOptions&quot; :series=&quot;series&quot;&gt;&lt;/apexchart&gt;
      &lt;/div&gt;
    </div>

    <script>
      new Vue({
        el: '#app',
        components: {
          apexchart: VueApexCharts,
        },
        data: {
          
          series: [
            // George Washington
            {
              name: 'George Washington',
              data: [
                {
                  x: 'President',
                  y: [
                    new Date(1789, 3, 30).getTime(),
                    new Date(1797, 2, 4).getTime()
                  ]
                },
              ]
            },
            // John Adams
            {
              name: 'John Adams',
              data: [
                {
                  x: 'President',
                  y: [
                    new Date(1797, 2, 4).getTime(),
                    new Date(1801, 2, 4).getTime()
                  ]
                },
                {
                  x: 'Vice President',
                  y: [
                    new Date(1789, 3, 21).getTime(),
                    new Date(1797, 2, 4).getTime()
                  ]
                }
              ]
            },
            // Thomas Jefferson
            {
              name: 'Thomas Jefferson',
              data: [
                {
                  x: 'President',
                  y: [
                    new Date(1801, 2, 4).getTime(),
                    new Date(1809, 2, 4).getTime()
                  ]
                },
                {
                  x: 'Vice President',
                  y: [
                    new Date(1797, 2, 4).getTime(),
                    new Date(1801, 2, 4).getTime()
                  ]
                },
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1790, 2, 22).getTime(),
                    new Date(1793, 11, 31).getTime()
                  ]
                }
              ]
            },
            // Aaron Burr
            {
              name: 'Aaron Burr',
              data: [
                {
                  x: 'Vice President',
                  y: [
                    new Date(1801, 2, 4).getTime(),
                    new Date(1805, 2, 4).getTime()
                  ]
                }
              ]
            },
            // George Clinton
            {
              name: 'George Clinton',
              data: [
                {
                  x: 'Vice President',
                  y: [
                    new Date(1805, 2, 4).getTime(),
                    new Date(1812, 3, 20).getTime()
                  ]
                }
              ]
            },
            // John Jay
            {
              name: 'John Jay',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1789, 8, 25).getTime(),
                    new Date(1790, 2, 22).getTime()
                  ]
                }
              ]
            },
            // Edmund Randolph
            {
              name: 'Edmund Randolph',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1794, 0, 2).getTime(),
                    new Date(1795, 7, 20).getTime()
                  ]
                }
              ]
            },
            // Timothy Pickering
            {
              name: 'Timothy Pickering',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1795, 7, 20).getTime(),
                    new Date(1800, 4, 12).getTime()
                  ]
                }
              ]
            },
            // Charles Lee
            {
              name: 'Charles Lee',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1800, 4, 13).getTime(),
                    new Date(1800, 5, 5).getTime()
                  ]
                }
              ]
            },
            // John Marshall
            {
              name: 'John Marshall',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1800, 5, 13).getTime(),
                    new Date(1801, 2, 4).getTime()
                  ]
                }
              ]
            },
            // Levi Lincoln
            {
              name: 'Levi Lincoln',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1801, 2, 5).getTime(),
                    new Date(1801, 4, 1).getTime()
                  ]
                }
              ]
            },
            // James Madison
            {
              name: 'James Madison',
              data: [
                {
                  x: 'Secretary of State',
                  y: [
                    new Date(1801, 4, 2).getTime(),
                    new Date(1809, 2, 3).getTime()
                  ]
                }
              ]
            },
          ],
          chartOptions: {
            chart: {
              height: 350,
              type: 'rangeBar'
            },
            plotOptions: {
              bar: {
                horizontal: true,
                barHeight: '50%',
                rangeBarGroupRows: true
              }
            },
            colors: [
              "#008FFB", "#00E396", "#FEB019", "#FF4560", "#775DD0",
              "#3F51B5", "#546E7A", "#D4526E", "#8D5B4C", "#F86624",
              "#D7263D", "#1B998B", "#2E294E", "#F46036", "#E2C044"
            ],
            fill: {
              type: 'solid'
            },
            xaxis: {
              type: 'datetime'
            },
            legend: {
              position: 'right'
            },
            tooltip: {
              custom: function(opts) {
                const fromYear = new Date(opts.y1).getFullYear()
                const toYear = new Date(opts.y2).getFullYear()
            
                const w = opts.ctx.w
                let ylabel = ""
                if(w.config.series[opts.seriesIndex].data && w.config.series[opts.seriesIndex].data[opts.dataPointIndex]) {
                  ylabel = w.config.series[opts.seriesIndex].data[opts.dataPointIndex].x;
                }
                let seriesName = w.config.series[opts.seriesIndex].name
                  ? w.config.series[opts.seriesIndex].name
                  : ''
                const color = w.globals.colors[opts.seriesIndex]
            
                return (
                  '<div class="apexcharts-tooltip-rangebar">' +
                  '<div> <span class="series-name" style="color: ' +
                  color +
                  '">' +
                  (seriesName ? seriesName : '') +
                  '</span></div>' +
                  '<div> <span class="category">' +
                  ylabel +
                  ' </span> <span class="value start-value">' +
                  fromYear +
                  '</span> <span class="separator">-</span> <span class="value end-value">' +
                  toYear +
                  '</span></div>' +
                  '</div>'
                )
              }
            }
          },
          
          
        },
        
      })
    </script>
    
  </body>
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